| Company | Timeline | Status | |
| Friends Of The South Downs Director • Retired | 6 May 2017←8 Years→10 May 2025 | Active | |
| Friends Of The South Downs Director • Eng Consultant | 21 May 2007←5 Years→11 May 2013 | Active | |
| New Southern Railway Limited Director • Engineering Director Rail | 26 Aug 2001←4 Years→31 Mar 2006 | Active | |
| Victory Railway Holdings Limited Director • Engineering Director | 18 May 2001←4 Years→31 Mar 2006 | Active | |
| Thameslink Rail Limited Director • Engineering Director | 18 May 2001←4 Years→31 Mar 2006 | Dissolved | |
| Thames Trains Limited Director • Engineering Director | 18 May 2001←4 Years→31 Mar 2006 | Active | |
Stagecoach SWT Oldco Limited Director • Engineering Director | 1 Sep 1998←2 Years 5 Months→16 Feb 2001 | Dissolved | |
| Metroquote Limited Director • Professional Engineer | 16 Mar 1991←2 Years 9 Months→30 Dec 1993 | Active | |
